36 EB 8111/8112 EN
Servicing
7 Servicing
The control valve is subject to normal wear,
especially at the seat, plug, and packing.
Depending on the operating conditions,
check the valve at regular intervals to pre-
vent possible failure before it can occur.
SAMSON's After-sales Service department
can support you to draw up a servicing plan
for your plant.
We recommend removing the valve from the
pipeline or service or repair work (see sec-
tion9.2).
Risk of bursting in pressure equipment.
Control valves and pipelines are pressure
equipment. Improper opening can lead to
bursting of the valve.
− Before starting any work on the control
valve, depressurize all plant sections con-
cerned and the valve.
− Drain the process medium from all the
plant sections concerned as well as the
valve.
− Wear personal protective equipment.
Risk of personal injury due to residual pro-
cess medium in the valve.
While working on the valve, residual process
medium can escape and, depending on its
properties, may lead to personal injury, e.g.
(chemical) burns.
Wear protective clothing, gloves, and eye-
wear.
Risk of burn injuries due to hot or cold com-
ponents and pipeline.
Valve components and the pipeline may be-
come very hot or cold. Risk of burn injuries.
− Allow components and pipelines to cool
down or heat up.
− Wear protective clothing and gloves.
Risk of valve damage due to incorrect servic-
ing or repair.
Service and repair work must only be
performed by trained staff.
Tip
DANGER
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WARNING
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WARNING
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NOTICE
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